3.5MM CS X 111MM ID BLACK BUNA 90D

The H90M3.5X111 is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 111 mm (4.37 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 118 mm (4.65 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to water, many alcohols, and propane and butane. Buna-N (Nitrile) offers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or polar solvents are present.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, fluid power, and automotive.

This item is sold individually under part number H90M3.5X111. Unit weight is approximately 4.5038 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.